What are the issues with a personalized recursive implementation of the ls command?

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There could be a few issues with a personalized recursive implementation of the ls command:

1. Efficiency: Recursion can be slow and resource-intensive, especially when dealing with large directories or complex directory structures.

2. Stack overflow: If the recursion goes too deep or encounters a circular reference, it could lead to a stack overflow or crash.

3. Visibility of hidden files: Personalized implementations may not show hidden files, which are files that are typically not displayed by the ls command. This could lead to errors or incomplete output in some cases.

4. Accuracy: If the personalized implementation does not accurately replicate the behavior of the original ls command or support all its options and flags, it could lead to errors or unexpected behavior.

5. Compatibility: The personalized implementation may not be compatible with other tools or scripts that rely on the original ls command, leading to issues with compatibility or integration.